On Blumberg Balance of Power David Weston interviewed former Energy Secretary Moniz about the future of nuclear power. He said that without Russia, the US had trouble enriching uranium for its military needs, much less its civilian power needs. He was optimistic about fusion as a long term possibility for electricity generation.
https://www.bloomberg.com/news/videos/2023-02-09/us-will-eventually-ban-russian-uranium-imports